(II) A football is kicked at ground level with a speed of

Chapter 3, Problem 22P

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QUESTION: Problem 22P

(II) A football is kicked at ground level with a speed of 18.0 m/s at an angle of 31.0° to the horizontal. How much later does it hit the ground?

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QUESTION: Problem 22P

(II) A football is kicked at ground level with a speed of 18.0 m/s at an angle of 31.0° to the horizontal. How much later does it hit the ground?

ANSWER:

Step 1 of 3

The initial velocity in the y-direction can be given as,

                                                                   

The final velocity is in the opposite direction of the initial velocity which can be expressed as,

                                                                   

 

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